Home / 6,121.52-9,183.48-2,661.20

Finding the Fourth Proportional to 6,121.52, 9,183.48 and 2,661.20

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Solution

The fourth proportional to 6,121.52, 9,183.48 and 2,661.20 is: 3,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.52 : 9,183.48 = 2,661.20 : x
  2. Step 2: Convert to fraction form
    6,121.52/9,183.48 = 2,661.20/x
  3. Step 3: Cross multiply
    6,121.52x = 9,183.48 × 2,661.20
  4. Step 4: Simplify right side
    6,121.52x = 24,439,076.98
  5. Step 5: Solve for x
    x = 24,439,076.98/6,121.52
  6. Step 6: Final answer
    x = 3,992.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.